public Object execute()

in gshell-commands/gshell-builtin/src/main/java/org/apache/geronimo/gshell/commands/builtin/SourceAction.java [60:99]

31 lines of code
6 McCabe index (conditional complexity)


    public Object execute(final CommandContext context) throws Exception {
        assert context != null;
        IO io = context.getIo();

        FileObject cwd = fileSystemAccess.getCurrentDirectory(context.getVariables());
        FileObject file = fileSystemAccess.resolveFile(cwd, path);

        if (!file.exists()) {
            io.error("File not found: {}", file.getName());
            return Result.FAILURE;
        }
        else if (!file.getType().hasContent()) {
            io.error("File has no content: {}", file.getName());
            return Result.FAILURE;
        }

        log.debug("Sourcing file: {}", file.getName());
        
        BufferedReader reader = new BufferedReader(new InputStreamReader(file.getContent().getInputStream()));
        
        try {
            String line;
            while ((line = reader.readLine()) != null) {
                String tmp = line.trim();
                
                // Ignore empty lines and comments
                if (tmp.length() == 0 || tmp.startsWith("#")) {
                    continue;
                }

                executor.execute(ShellContextHolder.get(), line);
            }
        }
        finally {
            reader.close();
            file.close();
        }

        return Result.SUCCESS;
    }